SSL_CONF_FLAG_REQUIRE_PRIVATE
if (c != NULL && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
if (rv > 0 && c != NULL && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
flags |= SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_REQUIRE_PRIVATE;
SSL_CONF_FLAG_CMDLINE | SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_REQUIRE_PRIVATE);
SSL_CONF_FLAG_CMDLINE | SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_REQUIRE_PRIVATE);
SSL_CONF_FLAG_CMDLINE | SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_REQUIRE_PRIVATE);
SSL_CONF_CTX_set_flags(confctx, SSL_CONF_FLAG_FILE | SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_REQUIRE_PRIVATE | SSL_CONF_FLAG_SHOW_ERRORS);